we begin with very sad news from the nfl kansas city chiefs linebacker jevan belcher fatally murdered his girlfriend this morning then drove to arrowhead stadium and committed suicide in front of his coach and general manager. nbc news reporter brian moore has the details. >> reporter: after fatally shooting his girlfriend, kansas city chiefs linebacker jovan belcher chose to end his own life at the stadium where his football dreams came true. >> as officers pulled up and began to park, that's when they heard the gunshot. >> reporter: police say belcher shot himself at the team's training facility after expressing his gratitude to his coach and general manager. >> the coaches said when he pulled up, he was -- they were never in danger. he never threatened them or anything. >> reporter: minutes earlier and five miles away, police say belcher gunned down his girlfriend, the mother of his 3-month-old baby. >> there are a lot of people who are hurting. there's a young baby without a parent or parents. >> reporter: now chiefs fans are asking a question that may never be answered. how could